1
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Chen X, Xv H, Li C, Kong L, Li C, Li F. Fe-single-atom catalysts boosting electrochemiluminescence via bipolar electrode integrated with its peroxidase-like activity for bioanalysis. Biosens Bioelectron 2024; 258:116351. [PMID: 38705074 DOI: 10.1016/j.bios.2024.116351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/23/2024] [Accepted: 04/29/2024] [Indexed: 05/07/2024]
Abstract
Multifunctional single-atom catalysts (SACs) have been extensively investigated as outstanding signal amplifiers in bioanalysis field. Herein, a type of Fe single-atom catalysts with Fe-nitrogen coordination sites in nitrogen-doped carbon (Fe-N/C SACs) was synthesized and demonstrated to possess both catalase and peroxidase-like activity. Utilizing Fe-N/C SACs as dual signal amplifier, an efficient bipolar electrode (BPE)-based electrochemiluminescence (ECL) immunoassay was presented for determination of prostate-specific antigen (PSA). The cathode pole of the BPE-ECL platform modified with Fe-N/C SACs is served as the sensing side and luminol at the anode as signal output side. Fe-N/C SACs could catalyze decomposition of H2O2 via their high catalase-like activity and then increase the Faraday current, which can boost the ECL of luminol due to the electroneutrality in a closed BPE system. Meanwhile, in the presence of the target, glucose oxidase (GOx)-Au NPs-Ab2 was introduced through specific immunoreaction, which catalyzes the formation of H2O2. Subsequently, Fe-N/C SACs with peroxidase-like activity catalyze the reaction of H2O2 and 4-chloro-1-naphthol (4-CN) to generate insoluble precipitates, which hinders electron transfer and then inhibits the ECL at the anode. Thus, dual signal amplification of Fe-N/C SACs was achieved by increasing the initial ECL and inhibiting the ECL in the presence of target. The assay exhibits sensitive detection of PSA linearly from 1.0 pg/mL to 100 ng/mL with a detection limit of 0.62 pg/mL. The work demonstrated a new ECL enhancement strategy of SACs via BPE system and expands the application of SACs in bioanalysis field.
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Affiliation(s)
- Xiaodong Chen
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Huijuan Xv
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Can Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Linghui Kong
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Chunxiang Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Feng Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, 266109, PR China.
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2
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Gao J, Jin HJ, Wei X, Ding XL, Li ZQ, Wang K, Xia XH. Closed Bipolar Nanoelectrode Array for Ultra-Sensitive Detection of Alkaline Phosphatase and Two-Dimensional Imaging of Epidermal Growth Factor Receptors. ACS Sens 2024; 9:3754-3762. [PMID: 38970501 DOI: 10.1021/acssensors.4c00918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/08/2024]
Abstract
The combination of closed bipolar electrodes (cBPE) with electrochemiluminescence (ECL) imaging has demonstrated remarkable capabilities in the field of bioanalysis. Here, we established a cBPE-ECL platform for ultrasensitive detection of alkaline phosphatase (ALP) and two-dimensional imaging of epidermal growth factor receptor (EGFR). This cBPE-ECL system consists of a high-density gold nanowire array in anodic aluminum oxide (AAO) membrane as the cBPE coupled with ECL of highly luminescent cadmium selenide quantum dots (CdSe QDs) luminophores to achieve cathodic electro-optical conversion. When an enzyme-catalyzed amplification effect of ALP with 4-aminophenyl phosphate monosodium salt hydrate (p-APP) as the substrate and 4-aminophenol (p-AP) as the electroactive probe is introduced, a significant improvement of sensing sensitivity with a detection limit as low as 0.5 fM for ALP on the cBPE-ECL platform can be obtained. In addition, the cBPE-ECL sensing system can also be used to detect cancer cells with an impressive detection limit of 50 cells/mL by labeling ALP onto the EGFR protein on A431 human epidermal cancer cell membranes. Thus, two-dimensional (2D) imaging of the EGFR proteins on the cell surface can be achieved, demonstrating that the established cBPE-ECL sensing system is of high resolution for spatiotemporal cell imaging.
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Affiliation(s)
- Jiao Gao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Hua-Jiang Jin
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xuan Wei
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xin-Lei Ding
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Zhong-Qiu Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Kang Wang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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3
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Ino K, Utagawa Y, Shiku H. Microarray-Based Electrochemical Biosensing. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2024; 187:317-338. [PMID: 37306698 DOI: 10.1007/10_2023_229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Microarrays are widely utilized in bioanalysis. Electrochemical biosensing techniques are often applied in microarray-based assays because of their simplicity, low cost, and high sensitivity. In such systems, the electrodes and sensing elements are arranged in arrays, and the target analytes are detected electrochemically. These sensors can be utilized for high-throughput bioanalysis and the electrochemical imaging of biosamples, including proteins, oligonucleotides, and cells. In this chapter, we summarize recent progress on these topics. We categorize electrochemical biosensing techniques for array detection into four groups: scanning electrochemical microscopy, electrode arrays, electrochemiluminescence, and bipolar electrodes. For each technique, we summarize the key principles and discuss the advantages, disadvantages, and bioanalysis applications. Finally, we present conclusions and perspectives about future directions in this field.
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Affiliation(s)
- Kosuke Ino
- Graduate School of Engineering, Tohoku University, Sendai, Miyagi, Japan.
| | - Yoshinobu Utagawa
- Graduate School of Environmental Studies, Tohoku University, Sendai, Miyagi, Japan
| | - Hitoshi Shiku
- Graduate School of Engineering, Tohoku University, Sendai, Miyagi, Japan.
- Graduate School of Environmental Studies, Tohoku University, Sendai, Miyagi, Japan.
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4
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Linfield S, Gawinkowski S, Nogala W. Toward the Detection Limit of Electrochemistry: Studying Anodic Processes with a Fluorogenic Reporting Reaction. Anal Chem 2023; 95:11227-11235. [PMID: 37461137 PMCID: PMC10398625 DOI: 10.1021/acs.analchem.3c00694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
Recently, shot noise has been shown to be an inherent part of all charge-transfer processes, leading to a practical limit of quantification of 2100 electrons (≈0.34 fC) [ Curr. Opin. Electrochem. 2020, 22, 170-177]. Attainable limits of quantification are made much larger by greater background currents and insufficient instrumentation, which restricts progress in sensing and single-entity applications. This limitation can be overcome by converting electrochemical charges into photons, which can be detected with much greater sensitivity, even down to a single-photon level. In this work, we demonstrate the use of fluorescence, induced through a closed bipolar setup, to monitor charge-transfer processes below the detection limit of electrochemical workstations. During this process, the oxidation of ferrocenemethanol (FcMeOH) in one cell is used to concurrently drive the oxidation of Amplex Red (AR), a fluorogenic redox molecule, in another cell. The spectroelectrochemistry of AR is investigated and new insights on the commonplace practice of using deprotonated glucose to limit AR photooxidation are presented. The closed bipolar setup is used to produce fluorescence signals corresponding to the steady-state voltammetry of FcMeOH on a microelectrode. Chronopotentiometry is then used to show a linear relationship between the charge passed through FcMeOH oxidation and the integrated AR fluorescence signal. The sensitivity of the measurements obtained at different timescales varies between 2200 and 500 electrons per detected photon. The electrochemical detection limit is approached using a diluted FcMeOH solution in which no faradaic current signal is observed. Nevertheless, a fluorescence signal corresponding to FcMeOH oxidation is still seen, and the detection of charges down to 300 fC is demonstrated.
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Affiliation(s)
- Steven Linfield
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Sylwester Gawinkowski
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Wojciech Nogala
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
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5
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Mwanza C, Ding SN. Newly Developed Electrochemiluminescence Based on Bipolar Electrochemistry for Multiplex Biosensing Applications: A Consolidated Review. BIOSENSORS 2023; 13:666. [PMID: 37367031 DOI: 10.3390/bios13060666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/16/2023] [Accepted: 06/16/2023] [Indexed: 06/28/2023]
Abstract
Recently, there has been an upsurge in the extent to which electrochemiluminescence (ECL) working in synergy with bipolar electrochemistry (BPE) is being applied in simple biosensing devices, especially in a clinical setup. The key objective of this particular write-up is to present a consolidated review of ECL-BPE, providing a three-dimensional perspective incorporating its strengths, weaknesses, limitations, and potential applications as a biosensing technique. The review encapsulates critical insights into the latest and novel developments in the field of ECL-BPE, including innovative electrode designs and newly developed, novel luminophores and co-reactants employed in ECL-BPE systems, along with challenges, such as optimization of the interelectrode distance, electrode miniaturization and electrode surface modification for enhancing sensitivity and selectivity. Moreover, this consolidated review will provide an overview of the latest, novel applications and advances made in this field with a bias toward multiplex biosensing based on the past five years of research. The studies reviewed herein, indicate that the technology is rapidly advancing at an outstanding purse and has an immense potential to revolutionize the general field of biosensing. This perspective aims to stimulate innovative ideas and inspire researchers alike to incorporate some elements of ECL-BPE into their studies, thereby steering this field into previously unexplored domains that may lead to unexpected, interesting discoveries. For instance, the application of ECL-BPE in other challenging and complex sample matrices such as hair for bioanalytical purposes is currently an unexplored area. Of great significance, a substantial fraction of the content in this review article is based on content from research articles published between the years 2018 and 2023.
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Affiliation(s)
- Christopher Mwanza
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
- Chemistry Department, University of Zambia, Lusaka 10101, Zambia
| | - Shou-Nian Ding
- Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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6
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Arnaboldi S. Wireless electrochemical actuation of soft materials towards chiral stimuli. Chem Commun (Camb) 2023; 59:2072-2080. [PMID: 36748650 PMCID: PMC9933456 DOI: 10.1039/d2cc06630k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Different areas of modern chemistry, require wireless systems able to transfer chirality from the molecular to the macroscopic event. The ability to recognize the enantiomers of a chiral analyte is highly desired, since in the majority of cases such molecules present different physico-chemical properties that could lead, eventually, to dangerous or harmful interactions with the environment or the human body. From an electrochemical point of view, enantiomers have the same electrochemical behavior except when they interact in a chiral environment. In this Feature Article, different approaches for the electrochemical recognition of chiral information based on the actuation of conducting polymers are described. Such a dynamic behavior of π-conjugated materials is based on an electrochemically induced shrinking/swelling transition of the polymeric matrix. Since all the systems, described so far in the literature, are achiral and require a direct connection to a power supply, new strategies will be presented in the manuscript, concerning the implementation of chirality in electrochemical actuators and their use in a wireless manner through bipolar electrochemistry. Herein, the synergy between the wireless unconventional actuation and the outstanding enantiorecognition of inherent chiral oligomers is presented as an easy and straightforward read out of chiral information in solution. This approach presents different advantages in comparison to classic electrochemical systems such as its wireless nature and the possible real-time data acquisition.
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Affiliation(s)
- Serena Arnaboldi
- Università degli Studi di Milano, Dipartimento di Chimica, Via Golgi 19, 20133, Milano, Italy.
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7
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Qin X, Gao J, Jin HJ, Li ZQ, Xia XH. Closed Bipolar Electrode Array for Optical Reporting Reaction-Coupled Electrochemical Sensing and Imaging. Chemistry 2023; 29:e202202687. [PMID: 36316589 DOI: 10.1002/chem.202202687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/25/2022] [Accepted: 10/31/2022] [Indexed: 11/05/2022]
Abstract
This review centers on a closed bipolar electrode (BPE) array using an electro-fluorochromism (EFC) or electro-chemiluminescence (ECL) reaction as the reporting reaction. Electrochemical signals at one pole of the closed BPE array can be transduced into the EFC or ECL signals at the opposite pole. Therefore, the current signal of a redox reaction can be easily detected and imaged by monitoring the luminescence signal. Recent developments in closed BPE array-based EFC and ECL sensing and imaging are summarized and discussed in detail. Finally, we consider the challenges and opportunities for improving the spatial resolution of closed BPE array-based electrochemical imaging, and emphasize the important application of this technique to the imaging of cellular activities at the single-cell level.
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Affiliation(s)
- Xiang Qin
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Jiao Gao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Hua-Jiang Jin
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Zhong-Qiu Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China
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8
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Liu Q, Helú MAB, Walcarius A, Liu L. Visualization of working electrode reactivity from an electrochromic counter electrode. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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9
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Lee H, Kim K, Kang CM, Choo A, Han D, Kim J. In Situ Confocal Fluorescence Lifetime Imaging of Nanopore Electrode Arrays with Redox Active Fluorogenic Amplex Red. Anal Chem 2023; 95:1038-1046. [PMID: 36577440 DOI: 10.1021/acs.analchem.2c03742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Direct imaging of electrochemical processes on electrode surfaces is a central part of understanding spatially heterogeneous electrochemical processes on the surfaces. Herein, we report a strategy for the spatially resolved imaging of local faradaic processes on nanoscale electrochemical interfaces. This strategy is based on fluorescence lifetime imaging microscopy (FLIM) with the use of Amplex Red as a fluorogenic redox probe. After verifying the capability of Amplex Red for fluorescence lifetime imaging, we demonstrated the turn-on FLIM-based imaging of faradaic processes on the electrochemical interfaces of different dimensions. In particular, we achieved spatially resolved visualization of the local electrochemical processes occurring on even nanopore electrode arrays as well as conventional microelectrodes, including disk-shaped ultramicroelectrodes and interdigitated array microelectrodes.
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Affiliation(s)
- Hyein Lee
- Department of Chemistry, Research Institute for Basic Sciences, Kyung Hee University, Seoul02447, Republic of Korea
| | - Kyoungsoo Kim
- Department of Chemistry, The Catholic University of Korea, Bucheon14662, Gyeonggi-do, Republic of Korea
| | - Chung Mu Kang
- Electrochemistry Laboratory, Advanced Institutes of Convergence Technology, Suwon16229, Gyeonggi-do, Republic of Korea
| | - Aeri Choo
- Department of Chemistry, Research Institute for Basic Sciences, Kyung Hee University, Seoul02447, Republic of Korea
| | - Donghoon Han
- Department of Chemistry, The Catholic University of Korea, Bucheon14662, Gyeonggi-do, Republic of Korea
| | - Joohoon Kim
- Department of Chemistry, Research Institute for Basic Sciences, Kyung Hee University, Seoul02447, Republic of Korea.,KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul02447, Republic of Korea
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10
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Xu X, Valavanis D, Ciocci P, Confederat S, Marcuccio F, Lemineur JF, Actis P, Kanoufi F, Unwin PR. The New Era of High-Throughput Nanoelectrochemistry. Anal Chem 2023; 95:319-356. [PMID: 36625121 PMCID: PMC9835065 DOI: 10.1021/acs.analchem.2c05105] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Indexed: 01/11/2023]
Affiliation(s)
- Xiangdong Xu
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
| | | | - Paolo Ciocci
- Université
Paris Cité, ITODYS, CNRS, F-75013 Paris, France
| | - Samuel Confederat
- School
of Electronic and Electrical Engineering and Pollard Institute, University of Leeds, Leeds LS2 9JT, U.K.
- Bragg
Centre for Materials Research, University
of Leeds, Leeds LS2 9JT, U.K.
| | - Fabio Marcuccio
- School
of Electronic and Electrical Engineering and Pollard Institute, University of Leeds, Leeds LS2 9JT, U.K.
- Bragg
Centre for Materials Research, University
of Leeds, Leeds LS2 9JT, U.K.
- Faculty
of Medicine, Imperial College London, London SW7 2AZ, United Kingdom
| | | | - Paolo Actis
- School
of Electronic and Electrical Engineering and Pollard Institute, University of Leeds, Leeds LS2 9JT, U.K.
- Bragg
Centre for Materials Research, University
of Leeds, Leeds LS2 9JT, U.K.
| | | | - Patrick R. Unwin
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, U.K.
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11
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Hsueh AJ, Mutalib NA, Shirato Y, Suzuki H. Bipolar Electrode Arrays for Chemical Imaging and Multiplexed Sensing. ACS OMEGA 2022; 7:20298-20305. [PMID: 35721987 PMCID: PMC9202012 DOI: 10.1021/acsomega.2c02298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
Bipolar electrodes (BPEs) with arrays of cathodic and anodic poles were developed for use in closed bipolar systems. To increase the number of BPEs in the array, the anodic and cathodic poles were connected with each other using thin leads. A further increase in the number of BPEs was achieved by forming the cathodic and anodic poles of the BPEs and the leads in different layers. A device with 9 × 10 arrays of cathodes and anodes was thus realized. When using this device to sense hydrogen peroxide (H2O2), the sensitivity and linear range of calibration plots could be adjusted by changing the driving voltage and the area ratio between the cathodic and anodic poles. The devices were used to image H2O2 and obtain time-lapse images for the diffusion and dilution of H2O2. Furthermore, DNA detection was demonstrated using an electroactive intercalator. The sensitivity could be improved by making the anodic poles smaller with respect to the cathodic pole and concentrating the electrochemiluminescence (ECL) in a small area. The ECL intensity changed according to the target DNA concentration in the solution.
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Affiliation(s)
- An-Ju Hsueh
- Graduate
School of Science and Technology, University
of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
| | - Nurul Asyikeen
Ab Mutalib
- Graduate
School of Pure and Applied Sciences, University
of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
| | - Yusuke Shirato
- Graduate
School of Science and Technology, University
of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
| | - Hiroaki Suzuki
- Faculty
of Pure and Applied Sciences, University
of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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12
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Fan S, Wang X, Li Y, Chen X, Chen H, Schultz ZD, Li Z. High-Throughput Surface-Enhanced Raman Scattering for Screening Chemical Sensor Candidates Enabled by Bipolar Electrochemistry. ACS Sens 2022; 7:1431-1438. [PMID: 35465660 DOI: 10.1021/acssensors.2c00137] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A variety of hydrothermal or electrochemical methods have been explored to prepare noble metal nanostructures as surface-enhanced Raman scattering (SERS) substrates. However, most of those metallic nanoarrays are structurally homogeneous, which makes it laborious to select the high-performance substrates for particular Raman sensing purposes. Here, a high-throughput SERS imaging strategy is demonstrated for the first time for screening chemical sensors with sub-nanomolar sensitivities. Bipolar electrochemistry was applied to generate Au or Au-Ag gradient nanoarrays with diverse chemical compositions, morphologies, and particle dimensions ranging from several nanometers to micrometers. The selected "hot-spots" on the Au-Ag alloy nanoarray exhibited a 660-fold enhancement in SERS intensity compared to those on the pure Au gradient nanoarray. The SERS screening of 4-aminothiophenol, 4-nitrothiophenol, and 4-mercaptobenzoic acid was carried out that provided a limit of detection (LOD) between 1 and 5 pM. The distinctive LODs among three thiophenolic Raman probes are ascribed to the differences in the affinity of the probe to the alloy, orientation of the metal-ligand monolayer, or plasmonic environment of the nanoarray surface. As a continuous, rapid, and cost-effective manner to fabricate transitional nanostructures and screen out SERS responsive sites, this method not only facilitates controllable synthesis of noble metal nanoarrays but has the potential to provide an alternative tool for ultrasensitive chemical sensing on a wide range of bimetallic substrates.
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Affiliation(s)
- Sanjun Fan
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong 518060, P.R. China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, Guangdong 518060, P.R. China
| | - Xinyu Wang
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong 518060, P.R. China
| | - Yingling Li
- Instrumental Analysis Center of Shenzhen University, Shenzhen University, Shenzhen, Guangdong 518055, P.R. China
| | - Xiaofeng Chen
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong 518060, P.R. China
| | - Haotian Chen
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory, Oxford University, Oxford OX1 3QZ, United Kingdom
| | - Zachary D. Schultz
- Department of Chemistry and Biochemistry, Ohio State University, Columbus, Ohio 43210, United States
| | - Zheng Li
- Institute for Advanced Study, Shenzhen University, Shenzhen, Guangdong 518060, P.R. China
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13
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Shared-cathode closed bipolar electrochemiluminescence cloth-based chip for multiplex detection. Anal Chim Acta 2022; 1206:339446. [PMID: 35473861 DOI: 10.1016/j.aca.2022.339446] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 12/31/2021] [Accepted: 01/03/2022] [Indexed: 11/23/2022]
Abstract
Electrochemiluminescence (ECL) chips have been widely used in the field of medical diagnosis. However, most of these chips currently in use are costly and require high amounts of sample. In this work, we present, for the first time, a shared-cathode closed bipolar electrochemiluminescence (SC-CBP-ECL) cloth-based chip, which can be used for multiplex detection. The SC-CBP-ECL chips ($0.03-0.05 for each chip) are manufactured using carbon ink- and wax-based screen-printing techniques, without the need for expensive and complex fabrication equipment. Under optimised conditions, the SC-CBP-ECL chips were successfully used for coinstantaneous detection of glucose in double ECL systems (i.e., Ru(bpy)32+ and luminol), with corresponding linear ranges of 0.05-1 mM and 0.05-10 mM, and detection limits of 0.0382 mM and 0.0422 mM. To our knowledge, this is the first report on the application of fibre material-based closed bipolar electrodes (C-BPE) combined with double ECL systems. Furthermore, the SC-CBP-ECL chips exhibit an acceptable specificity and good reproducibility and stability and can be used for glucose detection in human serum samples with a good agreement compared with the clinical method. Finally, the SC-CBP-ECL chips could be successfully used for simultaneous detection of seven glucose samples and also show potential for simultaneous detection of three different targets (hydrogen peroxide [H2O2], glucose, and uric acid [UA]). Therefore, we believe that the chip described in this study has broad potential application in the field of cost-effective multiplex detection.
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14
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Electrochemiluminescence imaging of cellular adhesion in vascular endothelial cells during tube formation on hydrogel scaffolds. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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15
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Abstract
Chemistry in confined volumes, such as aqueous droplets, is different from bulk, continuous water. However, few techniques are available to probe interfacial reactivity in complex, multiphase environments. Here, we demonstrate preferential electroreduction at the oil|water|conductor (three-phase) interface. Electrodeposition of cobalt and nickel results in ringlike structures that can be characterized with tens of nanometers precision in scanning electron microscopy and energy dispersive X-ray spectroscopy. To demonstrate the generalizability of these observations, we show that electroreduction of resazurin to fluorescent resorufin occurs preferentially at the three-phase boundary. The preferential electroreduction does not depend on droplet geometry. These results, grounded in three-phase boundary reactivity, are highly important across all fields of chemistry and biology because they highlight how the interface can change chemistry in unexpected ways.
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Affiliation(s)
- Thomas B. Clarke
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC USA 27599
| | - Jeffrey E. Dick
- Department of Chemistry, The University of North Carolina at Chapel Hill, Chapel Hill, NC USA 27599
- Lineberger Comprehensive Cancer Center, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC US 27599
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16
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Encapsulation within a coordination cage modulates the reactivity of redox-active dyes. Commun Chem 2022; 5:44. [PMID: 36697669 PMCID: PMC9814915 DOI: 10.1038/s42004-022-00658-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 02/18/2022] [Indexed: 02/08/2023] Open
Abstract
Confining molecules within well-defined nanosized spaces can profoundly alter their physicochemical characteristics. For example, the controlled aggregation of chromophores into discrete oligomers has been shown to tune their optical properties whereas encapsulation of reactive species within molecular hosts can increase their stability. The resazurin/resorufin pair has been widely used for detecting redox processes in biological settings; yet, how tight confinement affects the properties of these two dyes remains to be explored. Here, we show that a flexible PdII6L4 coordination cage can efficiently encapsulate both resorufin and resazurin in the form of dimers, dramatically modulating their optical properties. Furthermore, binding within the cage significantly decreases the reduction rate of resazurin to resorufin, and the rate of the subsequent reduction of resorufin to dihydroresorufin. During our studies, we also found that upon dilution, the PdII6L4 cage disassembles to afford PdII2L2 species, which lacks the ability to form inclusion complexes - a process that can be reversed upon the addition of the strongly binding resorufin/resazurin guests. We expect that the herein disclosed ability of a water-soluble cage to reversibly modulate the optical and chemical properties of a molecular redox probe will expand the versatility of synthetic fluorescent probes in biologically relevant environments.
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17
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Li X, Qin X, Wu Y, Wang K, Xia X, Liu S. Monitoring the electrochemical reactions on a gold nanoelectrode array via fluorescence-enabled electrochemical imaging. Chem Commun (Camb) 2022; 58:12499-12502. [DOI: 10.1039/d2cc05065j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We first observed the electrochemical reaction on an independent gold nanoelectrode via super-resolution fluorescence imaging achieved by anchoring fluorescent molecules on the surface of the nanoelectrode and using an ionic liquid as the electrolyte.
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Affiliation(s)
- Xiuxiu Li
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, P. R. China
| | - Xiang Qin
- Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Yafeng Wu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, P. R. China
| | - Kang Wang
- Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Xinghua Xia
- Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Songqin Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, P. R. China
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18
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Qin X, Jin HJ, Li X, Li J, Pan JB, Wang K, Liu S, Xu JJ, Xia XH. Label-Free Electrochemiluminescence Imaging of Single-Cell Adhesions by Using Bipolar Nanoelectrode Array. Chemistry 2021; 28:e202103964. [PMID: 34850460 DOI: 10.1002/chem.202103964] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Indexed: 12/26/2022]
Abstract
A label-free and fast approach for positive electrochemiluminescence (ECL) imaging of single cells by bipolar nanoelectrode array is proposed. The reduction of oxygen at a platinized gold nanoelectrode array in a closed bipolar electrochemical system is coupled with an oxidative ECL process at the anodic side. For elevating the ECL imaging contrast of single cells, a driving voltage of -2.0 V is applied to in situ generate oxygen confined beneath cells that is subsequently used for ECL imaging at 1.1 V. High oxygen concentration in the confined space resulting from steric hindrance generates prominent oxygen reduction current at the cathodic side and higher ECL intensity at the anodic side, allowing positive ECL imaging of the cells adhesion region with excellent contrast. Cell morphology and adhesion strength can be successfully imaged with high image acquisition rate. This approach opens a new avenue for label-free imaging of single cells.
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Affiliation(s)
- Xiang Qin
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Hua-Jiang Jin
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Xiuxiu Li
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, P. R. China
| | - Jian Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Jian-Bin Pan
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Kang Wang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Songqin Liu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, P. R. China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
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19
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Garcia A, Wang K, Bedier F, Benavides M, Wan Z, Wang S, Wang Y. Plasmonic Imaging of Electrochemical Reactions at Individual Prussian Blue Nanoparticles. Front Chem 2021; 9:718666. [PMID: 34552911 PMCID: PMC8450507 DOI: 10.3389/fchem.2021.718666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 08/23/2021] [Indexed: 11/25/2022] Open
Abstract
Prussian blue is an iron-cyanide-based pigment steadily becoming a widely used electrochemical sensor in detecting hydrogen peroxide at low concentration levels. Prussian blue nanoparticles (PBNPs) have been extensively studied using traditional ensemble methods, which only provide averaged information. Investigating PBNPs at a single entity level is paramount for correlating the electrochemical activities to particle structures and will shed light on the major factors governing the catalyst activity of these nanoparticles. Here we report on using plasmonic electrochemical microscopy (PEM) to study the electrochemistry of PBNPs at the individual nanoparticle level. First, two types of PBNPs were synthesized; type I synthesized with double precursors method and type II synthesized with polyvinylpyrrolidone (PVP) assisted single precursor method. Second, both PBNPs types were compared on their electrochemical reduction to form Prussian white, and the effect from the different particle structures was investigated. Type I PBNPs provided better PEM sensitivity and were used to study the catalytic reduction of hydrogen peroxide. Progressively decreasing plasmonic signals with respect to increasing hydrogen peroxide concentration were observed, demonstrating the capability of sensing hydrogen peroxide at a single nanoparticle level utilizing this optical imaging technique.
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Affiliation(s)
- Adaly Garcia
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, CA, United States
| | - Kinsley Wang
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, CA, United States
| | - Fatima Bedier
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, CA, United States
| | - Miriam Benavides
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, CA, United States
| | - Zijian Wan
- Biodesign Center for Biosensors and Bioelectronics, Arizona State University, Tempe, AZ, United States.,School of Electrical, Computer and Energy Engineering, Arizona State University, Tempe, AZ, United States
| | - Shaopeng Wang
- Biodesign Center for Biosensors and Bioelectronics, Arizona State University, Tempe, AZ, United States.,School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, United States
| | - Yixian Wang
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, CA, United States
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20
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Wang J, Hu H, Liu X, Zhou M, Lu Y, Zhou X. Feasible polarised white-light emission based on conjugate plane-structured yellow/blue dye molecules encapsulated in metal-organic frameworks. Chem Commun (Camb) 2021; 57:9736-9739. [PMID: 34474455 DOI: 10.1039/d1cc03553c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We use a two-stage hierarchical growth method to encapsulate the blue KSN and yellow RhB molecules into a MOF crystal. By aligning these two conjugate plane-structured molecules in the MOF channel, a polarised white-light emission is obtained, with CIE coordinates of (0.3285, 0.3204) and a polarization ratio of 2.98.
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Affiliation(s)
- Jin Wang
- School of Telecommunication and Information Engineering, Nanjing University of Post and Telecommunications, Nanjing 210003, China.
| | - Huiqing Hu
- School of Telecommunication and Information Engineering, Nanjing University of Post and Telecommunications, Nanjing 210003, China.
| | - Xiaoli Liu
- School of Telecommunication and Information Engineering, Nanjing University of Post and Telecommunications, Nanjing 210003, China.
| | - Minxiang Zhou
- School of Telecommunication and Information Engineering, Nanjing University of Post and Telecommunications, Nanjing 210003, China.
| | - Yunqing Lu
- School of Telecommunication and Information Engineering, Nanjing University of Post and Telecommunications, Nanjing 210003, China.
| | - Xinhui Zhou
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials, Nanjing University of Posts & Telecommunications, Nanjing 210023, China
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21
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Masturah binti Fakhruddin S, Ino K, Inoue KY, Nashimoto Y, Shiku H. Bipolar Electrode‐based Electrochromic Devices for Analytical Applications – A Review. ELECTROANAL 2021. [DOI: 10.1002/elan.202100153] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
| | - Kosuke Ino
- Graduate School of Engineering Tohoku University Sendai 980-8579 Japan
| | - Kumi Y. Inoue
- Graduate School of Environmental Studies Tohoku University Sendai 980-8579 Japan
- Center for Basic Education Faculty of Engineering Graduate Faculty of Interdisciplinary Research University of Yamanashi Kofu 400-8511 Japan
| | - Yuji Nashimoto
- Graduate School of Engineering Tohoku University Sendai 980-8579 Japan
- Frontier Research Institute for Interdisciplinary Sciences Tohoku University Sendai 980-8578 Japan
| | - Hitoshi Shiku
- Graduate School of Environmental Studies Tohoku University Sendai 980-8579 Japan
- Graduate School of Engineering Tohoku University Sendai 980-8579 Japan
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22
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Borchers JS, Campbell CR, Van Scoy SB, Clark MJ, Anand RK. Redox Cycling at an Array of Interdigitated Bipolar Electrodes for Enhanced Sensitivity in Biosensing**. ChemElectroChem 2021. [DOI: 10.1002/celc.202100523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Janis S. Borchers
- Department of Chemistry Iowa State University 1605 Gilman Hall, 2415 Osborn Drive Ames, Iowa 50011 USA
| | - Claire R. Campbell
- Department of Chemistry Iowa State University 1605 Gilman Hall, 2415 Osborn Drive Ames, Iowa 50011 USA
| | - Savanah B. Van Scoy
- Department of Chemistry Iowa State University 1605 Gilman Hall, 2415 Osborn Drive Ames, Iowa 50011 USA
| | - Morgan J. Clark
- Department of Chemistry Iowa State University 1605 Gilman Hall, 2415 Osborn Drive Ames, Iowa 50011 USA
| | - Robbyn K. Anand
- Department of Chemistry Iowa State University 1605 Gilman Hall, 2415 Osborn Drive Ames, Iowa 50011 USA
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23
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Djoumer R, Chovin A, Demaille C, Dejous C, Hallil H. Real‐time Conversion of Electrochemical Currents into Fluorescence Signals Using 8‐Hydroxypyrene‐1,3,6‐trisulfonic Acid (HPTS) and Amplex Red as Fluorogenic Reporters. ChemElectroChem 2021. [DOI: 10.1002/celc.202100517] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Rabia Djoumer
- Laboratoire d'Electrochimie Moléculaire Université de Paris CNRS UMR 7591 75006 Paris France
| | - Arnaud Chovin
- Laboratoire d'Electrochimie Moléculaire Université de Paris CNRS UMR 7591 75006 Paris France
| | - Christophe Demaille
- Laboratoire d'Electrochimie Moléculaire Université de Paris CNRS UMR 7591 75006 Paris France
| | - Corinne Dejous
- Laboratoire IMS Université de Bordeaux Bordeaux INP CNRS UMR5218 33405 Talence France
| | - Hamida Hallil
- Laboratoire IMS Université de Bordeaux Bordeaux INP CNRS UMR5218 33405 Talence France
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24
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Zhu Y, Yue K, Xia C, Zaman S, Yang H, Wang X, Yan Y, Xia BY. Recent Advances on MOF Derivatives for Non-Noble Metal Oxygen Electrocatalysts in Zinc-Air Batteries. NANO-MICRO LETTERS 2021; 13:137. [PMID: 34138394 PMCID: PMC8184897 DOI: 10.1007/s40820-021-00669-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 05/11/2021] [Indexed: 05/20/2023]
Abstract
Oxygen electrocatalysts are of great importance for the air electrode in zinc-air batteries (ZABs). Owing to the high specific surface area, controllable pore size and unsaturated metal active sites, metal-organic frameworks (MOFs) derivatives have been widely studied as oxygen electrocatalysts in ZABs. To date, many strategies have been developed to generate efficient oxygen electrocatalysts from MOFs for improving the performance of ZABs. In this review, the latest progress of the MOF-derived non-noble metal-oxygen electrocatalysts in ZABs is reviewed. The performance of these MOF-derived catalysts toward oxygen reduction, and oxygen evolution reactions is discussed based on the categories of metal-free carbon materials, single-atom catalysts, metal cluster/carbon composites and metal compound/carbon composites. Moreover, we provide a comprehensive overview on the design strategies of various MOF-derived non-noble metal-oxygen electrocatalysts and their structure-performance relationship. Finally, the challenges and perspectives are provided for further advancing the MOF-derived oxygen electrocatalysts in ZABs.
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Affiliation(s)
- Yuting Zhu
- School of Materials Science & Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, 200093, People's Republic of China
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), Shanghai, 200050, People's Republic of China
| | - Kaihang Yue
- School of Materials Science & Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, 200093, People's Republic of China
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), Shanghai, 200050, People's Republic of China
| | - Chenfeng Xia
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, Wuhan National Laboratory for Optoelectronics, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, People's Republic of China
| | - Shahid Zaman
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, Wuhan National Laboratory for Optoelectronics, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, People's Republic of China
| | - Huan Yang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, Wuhan National Laboratory for Optoelectronics, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, People's Republic of China
| | - Xianying Wang
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), Shanghai, 200050, People's Republic of China.
| | - Ya Yan
- School of Materials Science & Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, 200093, People's Republic of China.
- CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences (SICCAS), Shanghai, 200050, People's Republic of China.
| | - Bao Yu Xia
- Key Laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), Hubei Key Laboratory of Material Chemistry and Service Failure, Wuhan National Laboratory for Optoelectronics, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, 430074, People's Republic of China.
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25
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Ismail A, Voci S, Descamps L, Buhot A, Sojic N, Leroy L, Bouchet-Spinelli A. Bipolar Electrochemiluminescence Imaging: A Way to Investigate the Passivation of Silicon Surfaces. Chemphyschem 2021; 22:1094-1100. [PMID: 33826213 DOI: 10.1002/cphc.202100112] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/17/2021] [Indexed: 11/09/2022]
Abstract
This work depicts the original combination of electrochemiluminescence (ECL) and bipolar electrochemistry (BPE) to map in real-time the oxidation of silicon in microchannels. We fabricated model silicon-PDMS microfluidic chips, optionally containing a restriction, and monitored the evolution of the surface reactivity using ECL. BPE was used to remotely promote ECL at the silicon surface inside microfluidic channels. The effects of the fluidic design, the applied potential and the resistance of the channel (controlled by the fluidic configuration) on the silicon polarization and oxide formation were investigated. A potential difference down to 6 V was sufficient to induce ECL, which is two orders of magnitude less than in classical BPE configurations. Increasing the resistance of the channel led to an increase in the current passing through the silicon and boosted the intensity of ECL signals. Finally, the possibility of achieving electrochemical reactions at predetermined locations on the microfluidic chip was investigated using a patterning of the silicon oxide surface by etched micrometric squares. This ECL imaging approach opens exciting perspectives for the precise understanding and implementation of electrochemical functionalization on passivating materials. In addition, it may help the development and the design of fully integrated microfluidic biochips paving the way for development of original bioanalytical applications.
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Affiliation(s)
- Abdulghani Ismail
- IRIG-SYMMES, University Grenoble Alpes, CEA, CNRS, 17 Avenue des Martyrs, 38054, Grenoble, France
| | - Silvia Voci
- ISM, UMR CNRS 5255, University of Bordeaux, Bordeaux INP, 351 Cours de la Libération, 33405, Talence, France
| | - Lucie Descamps
- IRIG-SYMMES, University Grenoble Alpes, CEA, CNRS, 17 Avenue des Martyrs, 38054, Grenoble, France
| | - Arnaud Buhot
- IRIG-SYMMES, University Grenoble Alpes, CEA, CNRS, 17 Avenue des Martyrs, 38054, Grenoble, France
| | - Neso Sojic
- ISM, UMR CNRS 5255, University of Bordeaux, Bordeaux INP, 351 Cours de la Libération, 33405, Talence, France
| | - Loïc Leroy
- IRIG-SYMMES, University Grenoble Alpes, CEA, CNRS, 17 Avenue des Martyrs, 38054, Grenoble, France
| | - Aurélie Bouchet-Spinelli
- IRIG-SYMMES, University Grenoble Alpes, CEA, CNRS, 17 Avenue des Martyrs, 38054, Grenoble, France
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26
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Affiliation(s)
- Yi Xiao
- State Key Laboratory of Electroanalytical Chemistry and Jilin Province Key Laboratory of Low Carbon Chemical Power, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences 5625 Renmin Street, Changchun Jilin 130022 China
- University of Science and Technology of China Hefei Anhui 230026 China
| | - Weilin Xu
- State Key Laboratory of Electroanalytical Chemistry and Jilin Province Key Laboratory of Low Carbon Chemical Power, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences 5625 Renmin Street, Changchun Jilin 130022 China
- University of Science and Technology of China Hefei Anhui 230026 China
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27
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Tian Z, Wu Y, Shao F, Tang D, Qin X, Wang C, Liu S. Electrofluorochromic Imaging Analysis of Glycan Expression on Living Single Cell with Bipolar Electrode Arrays. Anal Chem 2021; 93:5114-5122. [PMID: 33749243 DOI: 10.1021/acs.analchem.0c04785] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The in situ glycan profiling of a single tumor cell plays an important role in personalized cancer treatment. Herein, an integrated microfluidic system was designed for living single-cell trapping and real-time monitoring of galactosyl expression on the surface, combining closed bipolar electrode (BPE) arrays and electrofluorochromic (EFC) imaging. Galactosyl groups on human liver cancer HepG2 cells were used as the model analysts, galactose oxidase (GAO) could selectively oxidize hydroxyl sites of galactosyl groups on the cell surface to aldehydes, and then biotin hydrazide (BH) was used to label the aldehydes by aniline-catalyzed hydrazone ligation. With the biotin-avidin system, nanoprobes were finally introduced to the galactosyl groups on the cell surface with avidin as a bridge, which was prepared by simultaneously assembling ferrocene-DNA (Fc-DNA) and biotin-DNA (Bio-DNA) on gold nanoparticles (AuNPs) due to their large surface area and excellent electrical conductivity. After a labeled single cell was captured in the anodic microchannel, the Fc groups attached on the cell surface were oxidized under suitable potential, and the nonfluorescent resazurin on the cathode was correspondingly reduced to produce highly fluorescent resorufin, collected by fluorescence confocal microscope. The combination of EFC imaging and BPE realized monitoring galactosyl group expression of 5.0 × 108 molecules per cell. Furthermore, the proposed platform had the ability to distinguish a single cancer cell from a normal cell according to the expression level of galactosyl groups and to dynamically monitor the galactosyl group variation on the cell surface, providing a simple and accessible method for the single-cell analysis.
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Affiliation(s)
- Zhaoyan Tian
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Yafeng Wu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Fengying Shao
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Dezhi Tang
- Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments, School of Mechanical Engineering, Southeast University, Nanjing 211189, China
| | - Xiang Qin
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Chenchen Wang
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Songqin Liu
- Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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28
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Guille-Collignon M, Delacotte J, Lemaître F, Labbé E, Buriez O. Electrochemical Fluorescence Switch of Organic Fluorescent or Fluorogenic Molecules. CHEM REC 2021; 21:2193-2202. [PMID: 33656794 DOI: 10.1002/tcr.202100022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/18/2021] [Accepted: 02/18/2021] [Indexed: 12/27/2022]
Abstract
This short review is aimed at emphasizing the most prominent recent works devoted to the fluorescence modulation of organic fluorescent or fluorogenic molecules by electrochemistry. This still expanding research field not only addresses the smart uses of known molecules or the design of new ones, but also investigates the development of instrumentation providing time- and space-resolved information at the molecular level. Important considerations including fluorescent/fluorogenic probes, reversible/irreversible fluorescence switch, direct/indirect fluorescence modulation, or environment properties are especially scrutinized in recent works dealing with bioanalysis perspectives.
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Affiliation(s)
- Manon Guille-Collignon
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Jérôme Delacotte
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Frédéric Lemaître
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Eric Labbé
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Olivier Buriez
- PASTEUR, Département de Chimie, Ecole Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
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29
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Zhang J, Yu W, Jiang X, Gao Y, Peng G. Alternate reporting surfaces in closed bipolar electrode system: A strategy forelectrochemiluminescence sensing of both redox processes. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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30
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Affiliation(s)
- Kira L. Rahn
- Department of Chemistry, Iowa State University, 1605 Gilman Hall, 2415 Osborn Drive, Ames, Iowa 50011-1021, United States
| | - Robbyn K. Anand
- Department of Chemistry, Iowa State University, 1605 Gilman Hall, 2415 Osborn Drive, Ames, Iowa 50011-1021, United States
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31
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Qin X, Li ZQ, Zhou Y, Pan JB, Li J, Wang K, Xu JJ, Xia XH. Fabrication of High-Density and Superuniform Gold Nanoelectrode Arrays for Electrochemical Fluorescence Imaging. Anal Chem 2020; 92:13493-13499. [DOI: 10.1021/acs.analchem.0c02918] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Xiang Qin
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Zhong-Qiu Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yue Zhou
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jian-Bin Pan
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jian Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Kang Wang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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Stefano JS, Conzuelo F, Masa J, Munoz RA, Schuhmann W. Coupling electrochemistry with a fluorescence reporting reaction enabled by bipolar electrochemistry. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.113921] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Arnaboldi S, Gupta B, Benincori T, Bonetti G, Cirilli R, Kuhn A. Absolute Chiral Recognition with Hybrid Wireless Electrochemical Actuators. Anal Chem 2020; 92:10042-10047. [DOI: 10.1021/acs.analchem.0c01817] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Serena Arnaboldi
- Univ. Bordeaux, CNRS UMR 5255, Bordeaux INP, ENSCBP, 16 avenue Pey Berland, 33607 Pessac, France
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milano, Italy
| | - Bhavana Gupta
- Univ. Bordeaux, CNRS UMR 5255, Bordeaux INP, ENSCBP, 16 avenue Pey Berland, 33607 Pessac, France
- Engineering Research Center for Nanomaterials, Henan University, Kaifeng 475004, China
| | - Tiziana Benincori
- Dipartimento di Scienza e Alta Tecnologia, Università degli Studi dell’Insubria, Via Valleggio 11, 22100 Como, Italy
| | - Giorgia Bonetti
- Dipartimento di Scienza e Alta Tecnologia, Università degli Studi dell’Insubria, Via Valleggio 11, 22100 Como, Italy
| | - Roberto Cirilli
- Centro Nazionale per il Controllo e la Valutazione dei Farmaci, Istituto Superiore di Sanità, Viale Regina Elena 299, 00161 Roma, Italy
| | - Alexander Kuhn
- Univ. Bordeaux, CNRS UMR 5255, Bordeaux INP, ENSCBP, 16 avenue Pey Berland, 33607 Pessac, France
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Recent Advances in Electrochemiluminescence-Based Systems for Mammalian Cell Analysis. MICROMACHINES 2020; 11:mi11050530. [PMID: 32456040 PMCID: PMC7281524 DOI: 10.3390/mi11050530] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/19/2020] [Accepted: 05/19/2020] [Indexed: 12/29/2022]
Abstract
Mammalian cell analysis is essential in the context of both fundamental studies and clinical applications. Among the various techniques available for cell analysis, electrochemiluminescence (ECL) has attracted significant attention due to its integration of both electrochemical and spectroscopic methods. In this review, we summarize recent advances in the ECL-based systems developed for mammalian cell analysis. The review begins with a summary of the developments in luminophores that opened the door to ECL applications for biological samples. Secondly, ECL-based imaging systems are introduced as an emerging technique to visualize single-cell morphologies and intracellular molecules. In the subsequent section, the ECL sensors developed in the past decade are summarized, the use of which made the highly sensitive detection of cell-derived molecules possible. Although ECL immunoassays are well developed in terms of commercial use, the sensing of biomolecules at a single-cell level remains a challenge. Emphasis is therefore placed on ECL sensors that directly detect cellular molecules from small portions of cells or even single cells. Finally, the development of bipolar electrode devices for ECL cell assays is introduced. To conclude, the direction of research in this field and its application prospects are described.
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Tassy B, Dauphin AL, Man HM, Le Guenno H, Lojou E, Bouffier L, de Poulpiquet A. In Situ Fluorescence Tomography Enables a 3D Mapping of Enzymatic O 2 Reduction at the Electrochemical Interface. Anal Chem 2020; 92:7249-7256. [PMID: 32298094 DOI: 10.1021/acs.analchem.0c00844] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Getting information about the fate of immobilized enzymes and the evolution of their environment during turnover is a mandatory step toward bioelectrode optimization for effective use in biodevices. We demonstrate here the proof-of-principle visual characterization of the reactivity at an enzymatic electrode thanks to fluorescence confocal laser scanning microscopy (FCLSM) implemented in situ during the electrochemical experiment. The enzymatic O2 reduction involves proton-coupled electron transfers. Therefore, fluorescence variation of a pH-dependent fluorescent dye in the electrode vicinity enables reaction visualization. Simultaneous collection of electrochemical and fluorescence signals gives valuable space- and time-resolved information. Once the technical challenges of such a coupling are overcome, in situ FCLSM affords a unique way to explore reactivity at the electrode surface and in the electrolyte volume. Unexpected features are observed, especially the pH evolution of the enzyme environment, which is also indicated by a characteristic concentration profile within the diffusion layer. This coupled approach also gives access to a cartography of the electrode surface response (i.e., heterogeneity), which cannot be obtained solely by an electrochemical means.
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Affiliation(s)
- Bastien Tassy
- Aix-Marseille Univ., CNRS, UMR 7281, Bioenergetics and Protein Engineering, 13402 Marseille, France
| | - Alice L Dauphin
- Univ. Bordeaux, CNRS, Bordeaux INP, UMR 5255, Institute of Molecular Sciences, F-33400 Talence, France
| | - Hiu Mun Man
- Aix-Marseille Univ., CNRS, UMR 7281, Bioenergetics and Protein Engineering, 13402 Marseille, France
| | - Hugo Le Guenno
- Microscopy Facility, CNRS, FR 3479, Mediterranean Institute of Microbiology, 13402 Marseille, France
| | - Elisabeth Lojou
- Aix-Marseille Univ., CNRS, UMR 7281, Bioenergetics and Protein Engineering, 13402 Marseille, France
| | - Laurent Bouffier
- Univ. Bordeaux, CNRS, Bordeaux INP, UMR 5255, Institute of Molecular Sciences, F-33400 Talence, France
| | - Anne de Poulpiquet
- Aix-Marseille Univ., CNRS, UMR 7281, Bioenergetics and Protein Engineering, 13402 Marseille, France
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Sassa F, Biswas GC, Suzuki H. Microfabricated electrochemical sensing devices. LAB ON A CHIP 2020; 20:1358-1389. [PMID: 32129358 DOI: 10.1039/c9lc01112a] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Electrochemistry provides possibilities to realize smart microdevices of the next generation with high functionalities. Electrodes, which constitute major components of electrochemical devices, can be formed by various microfabrication techniques, and integration of the same (or different) components for that purpose is not difficult. Merging this technique with microfluidics can further expand the areas of application of the resultant devices. To augment the development of next generation devices, it will be beneficial to review recent technological trends in this field and clarify the directions required for moving forward. Even when limiting the discussion to electrochemical microdevices, a variety of useful techniques should be considered. Therefore, in this review, we attempted to provide an overview of all relevant techniques in this context in the hope that it can provide useful comprehensive information.
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Affiliation(s)
- Fumihiro Sassa
- Graduate School of Information Science and Electrical Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819-0395, Japan
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37
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Anderson TJ, Defnet PA, Zhang B. Electrochemiluminescence (ECL)-Based Electrochemical Imaging Using a Massive Array of Bipolar Ultramicroelectrodes. Anal Chem 2020; 92:6748-6755. [DOI: 10.1021/acs.analchem.0c00921] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Todd J. Anderson
- Department of Chemistry, University of Washington, Seattle, Washington 98195 United States
| | - Peter A. Defnet
- Department of Chemistry, University of Washington, Seattle, Washington 98195 United States
| | - Bo Zhang
- Department of Chemistry, University of Washington, Seattle, Washington 98195 United States
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38
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Ino K, Yaegaki R, Hiramoto K, Nashimoto Y, Shiku H. Closed Bipolar Electrode Array for On-Chip Analysis of Cellular Respiration by Cell Aggregates. ACS Sens 2020; 5:740-745. [PMID: 31997640 DOI: 10.1021/acssensors.9b02061] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cell aggregates have attracted much attention owing to their potential applications in tissue engineering and drug screening. To evaluate cellular respiration of individual cell aggregates in these applications, noninvasive and on-chip high-throughput analytical tools are necessary. Electrochemical methods for detecting oxygen concentrations are useful because of their noninvasiveness. However, these conventional methods may be unsuitable for high-throughput detection because it is difficult to prepare many electrodes on a small chip owing to the limitation of area for connecting electrodes. Alternatively, a bipolar electrode (BPE) system offers clear advantages. In this system, electrochemical reactions are induced at both ends of a BPE without complex wiring. In this study, we present a BPE array for detecting the respiratory activity of cell aggregates. Oxygen concentrations near cell aggregates at cathodic poles of BPEs were converted to electrochemiluminescence (ECL) signals of [Ru(bpy)3]2+/tripropylamine at anodic poles of BPEs. To separate ECL chemicals from cell aggregates, we fabricated a closed BPE device containing analytical and reporter chambers. As a proof of concept, 32 BPEs were controlled wirelessly using a pair of driving electrodes, and the respiratory activities of individual MCF-7 cell aggregates as a cancer model were successfully detected by monitoring ECL signals. Compared with conventional electrode arrays for cell analysis, the wiring of the current device was simple because the multiple BPEs functioned with only a single power supply. To the best of our knowledge, this is the first study of on-chip analysis of cellular activity using a BPE system.
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Affiliation(s)
- Kosuke Ino
- Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8579, Japan
| | - Ryosuke Yaegaki
- Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8579, Japan
| | - Kaoru Hiramoto
- Graduate School of Environmental Studies, Tohoku University, 6-6-11 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8579, Japan
| | - Yuji Nashimoto
- Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8579, Japan
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 6-3 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8578, Japan
| | - Hitoshi Shiku
- Graduate School of Engineering, Tohoku University, 6-6-11 Aramaki-aza Aoba, Aoba-ku, Sendai 980-8579, Japan
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39
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Rahn KL, Rhoades TD, Anand RK. Alternating Current Voltammetry at a Bipolar Electrode with Smartphone Luminescence Imaging for Point‐of‐Need Sensing. ChemElectroChem 2020. [DOI: 10.1002/celc.202000079] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Kira L. Rahn
- Department of Chemistry Iowa State University 1605 Gilman Hall 2415 Osborn Drive Ames IA 50011-1021 USA
| | - Tyler D. Rhoades
- Department of Chemistry Iowa State University 1605 Gilman Hall 2415 Osborn Drive Ames IA 50011-1021 USA
| | - Robbyn K. Anand
- Department of Chemistry Iowa State University 1605 Gilman Hall 2415 Osborn Drive Ames IA 50011-1021 USA
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40
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Defnet PA, Zhang B. Detection of Transient Nanoparticle Collision Events Using Electrochemiluminescence on a Closed Bipolar Microelectrode. ChemElectroChem 2020. [DOI: 10.1002/celc.201901734] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Peter A. Defnet
- Department of Chemistry University of Washington Seattle, Washington 98195 United States
| | - Bo Zhang
- Department of Chemistry University of Washington Seattle, Washington 98195 United States
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41
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Jaworska E, Michalska A, Maksymiuk K. Implementation of a Chloride‐selective Electrode Into a Closed Bipolar Electrode System with Fluorimetric Readout. ELECTROANAL 2020. [DOI: 10.1002/elan.201900650] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Ewa Jaworska
- Faculty of ChemistryUniversity of Warsaw Pasteura 1 02-093 Warsaw Poland
| | - Agata Michalska
- Faculty of ChemistryUniversity of Warsaw Pasteura 1 02-093 Warsaw Poland
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42
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Wang Y, Yang Q, Su B. Spatially resolved electrochemistry enabled by thin-film optical interference. Chem Commun (Camb) 2020; 56:12359-12362. [DOI: 10.1039/d0cc05265e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Electrochemical reactions occurring on the local surface can be spatially resolved by successive interferometric imaging of the nanochannel membrane coated electrode.
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Affiliation(s)
- Yafeng Wang
- Institute of Analytical Chemistry
- Department of Chemistry
- Zhejiang University
- Hangzhou 310058
- China
| | - Qian Yang
- Institute of Analytical Chemistry
- Department of Chemistry
- Zhejiang University
- Hangzhou 310058
- China
| | - Bin Su
- Institute of Analytical Chemistry
- Department of Chemistry
- Zhejiang University
- Hangzhou 310058
- China
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43
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Jaworska E, Michalska A, Maksymiuk K. Self-Powered Cascade Bipolar Electrodes with Fluorimetric Readout. Anal Chem 2019; 91:15525-15531. [DOI: 10.1021/acs.analchem.9b03405] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ewa Jaworska
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Agata Michalska
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Krzysztof Maksymiuk
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
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44
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Xiong X, Li Y, Yuan W, Lu Y, Xiong X, Li Y, Chen X, Liu Y. Screen printed bipolar electrode for sensitive electrochemiluminescence detection of aflatoxin B1 in agricultural products. Biosens Bioelectron 2019; 150:111873. [PMID: 31748193 DOI: 10.1016/j.bios.2019.111873] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 11/10/2019] [Accepted: 11/11/2019] [Indexed: 12/20/2022]
Abstract
In order to avoid the occurrence of false positives and false negatives caused by improper pretreatment during the detection of aflatoxin B1 by enzyme linked immunosorbent assay (ELISA). In this paper, we developed a screen printed bipolar electrode (BPE) for sensitive electrochemiluminescence (ECL) detection of aflatoxin B1 in agricultural products. The sensor uses a cathode of closed BPE as a functional sensing interface and an anode as a signal collection interface. In this way, the analyte does not need to participate in the ECL reaction of the anode. It avoids direct contact of photoactive molecules with complex reaction systems and greatly broadens the range of applications for ECL. After mixing the test sample with a known fixed concentration of horseradish peroxidase-labeled AFB1 (HRP-AFB1), they compete for binding to monoclonal antibodies. HRP catalyzes the polymerization of aniline to form polyaniline (PANI). Thereby causing a change in the oxidation-reduction potential and the ECL intensity in the electrochemical system, and then achieve the purpose of detecting the AFB1 concentration in the sample. As a result, the sensor has a good analytical performance for AFB1 with a linear range of 0.1-100 ng mL-1 and a detection limit of 0.033 ng mL-1. The sensor avoids the direct contact between the reaction system and the signal measurement system. In recovery experiment for six grains, the results demonstrate that the recovery rate and accuracy of this sensor is better than that of ELISA. This method provides a new idea for the detection of other mycotoxins in grains.
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Affiliation(s)
- Xiaohui Xiong
- Coll Food Sci & Light Ind, Nanjing Tech University, Nanjing, 211816, China
| | - Yafei Li
- Coll Food Sci & Light Ind, Nanjing Tech University, Nanjing, 211816, China
| | - Wei Yuan
- Coll Food Sci & Light Ind, Nanjing Tech University, Nanjing, 211816, China
| | - Yichen Lu
- Coll Food Sci & Light Ind, Nanjing Tech University, Nanjing, 211816, China
| | - Xiong Xiong
- Coll Food Sci & Light Ind, Nanjing Tech University, Nanjing, 211816, China
| | - Yi Li
- Coll Food Sci & Light Ind, Nanjing Tech University, Nanjing, 211816, China
| | - Xiaoye Chen
- Coll Food Sci & Light Ind, Nanjing Tech University, Nanjing, 211816, China.
| | - Yuanjian Liu
- Coll Food Sci & Light Ind, Nanjing Tech University, Nanjing, 211816, China.
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45
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Optical methods for studying local electrochemical reactions with spatial resolution: A critical review. Anal Chim Acta 2019; 1074:1-15. [DOI: 10.1016/j.aca.2019.02.053] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 02/21/2019] [Accepted: 02/22/2019] [Indexed: 11/19/2022]
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46
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Lu SM, Li YJ, Zhang JF, Wang Y, Ying YL, Long YT. Monitoring Hydrogen Evolution Reaction Catalyzed by MoS2 Quantum Dots on a Single Nanoparticle Electrode. Anal Chem 2019; 91:10361-10365. [DOI: 10.1021/acs.analchem.9b02364] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Si-Min Lu
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Yuan-Jie Li
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Jian-Fang Zhang
- School of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials and Devices of Anhui Province, Hefei University of Technology, Hefei 230009, P. R. China
| | - Yan Wang
- School of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials and Devices of Anhui Province, Hefei University of Technology, Hefei 230009, P. R. China
| | - Yi-Lun Ying
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Yi-Tao Long
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
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47
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48
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A highly-sensitive electrocatalytic measurement of nitrate ions in soil and different fruit vegetables at the surface of palladium nanoparticles modified DVD using the open bipolar system. Microchem J 2019. [DOI: 10.1016/j.microc.2019.04.067] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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49
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Patrice FT, Qiu K, Ying YL, Long YT. Single Nanoparticle Electrochemistry. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2019; 12:347-370. [PMID: 31018101 DOI: 10.1146/annurev-anchem-061318-114902] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Experimental techniques to monitor and visualize the behaviors of single nanoparticles have not only revealed the significant spatial and temporal heterogeneity of those individuals, which are hidden in ensemble methods, but more importantly, they have also enabled researchers to elucidate the origin of such heterogeneity. In pursuing the intrinsic structure-function relations of single nanoparticles, the recently developed stochastic collision approach demonstrated some early promise. However, it was later realized that the appropriate sizing of a single nanoparticle by an electrochemical method could be far more challenging than initially expected owing to the dynamic motion of nanoparticles in electrolytes and complex charge-transfer characteristics at electrode surfaces. This clearly indicates a strong necessity to integrate single nanoparticle electrochemistry with high-resolution optical microscopy. Hence, this review aims to give a timely update of the latest progress for both electrochemically sensing and seeing single nanoparticles. A major focus is on collision-based measurements, where nanoparticles or single entities in solution impact on a collector electrode and the electrochemical response is recorded. These measurements are further enhanced with optical measurements in parallel. For completeness, advances in other related methods for single nanoparticle electrochemistry are also included.
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Affiliation(s)
- Fato Tano Patrice
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China; ;
| | - Kaipei Qiu
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China; ;
| | - Yi-Lun Ying
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China; ;
| | - Yi-Tao Long
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China; ;
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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50
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Tian Z, Mi L, Wu Y, Shao F, Zou M, Zhou Z, Liu S. Visual Electrofluorochromic Detection of Cancer Cell Surface Glycoprotein on a Closed Bipolar Electrode Chip. Anal Chem 2019; 91:7902-7910. [PMID: 31135138 DOI: 10.1021/acs.analchem.9b01760] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This work reports an electrofluorochromic strategy on the basis of electric field control of fluorescent signal generation on bipolar electrodes (BPEs) for visualizing cancer cell surface glycoprotein (mucin 1). The device included two separate cells: anodic sensing cell and cathodic reporting cell, which were connected by a screen-printing electrode patterned on poly(ethylene terephthalate) (PET) membrane. In the sensing cell, anti-MUC1 antibody immobilized on a chitosan-multiwalled carbon nanotube (CS-MWCNT)-modified anodic BPE channel was used for capturing mucin-1 (MUC1) or MCF-7 cancer cells. Then ferrocene (Fc)-labeled mucin 1 aptamers were introduced through hybridization. Under an applied voltage, the ferrocene was oxidized and the electroactive molecules of 1,4-benzoquinone (BQ) in the cathodic reporting cell were reduced according to electroneutrality. This produced a strongly basic 1,4-benzoquinone anion radical (BQ•-), which turned on the fluorescence of pH-responsive fluorescent molecules of (2-(2-(4-hydroxystyryl)-6-methyl-4 H-pyran-4-ylidene)malononitrile) (SPM) coexisting in the cathode reporting cell for both spectrophotometric detection and imaging. This strategy allowed sensitive detection of MUC1 at a concentration down to 10 fM and was capable of detecting a minimum of three MCF-7 cells. Furthermore, the amount of MUC1 on MCF-7 cells was calculated to be 6.02 × 104 molecules/cell. Our strategy also had the advantages of high temporal and spatial resolution, short response time, and high luminous contrast and is of great significance for human health and the promotion of life science development.
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Affiliation(s)
- Zhaoyan Tian
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing , 211189 , China
| | - Li Mi
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing , 211189 , China
| | - Yafeng Wu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing , 211189 , China
| | - Fengying Shao
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing , 211189 , China
| | - Mingqiang Zou
- Chinese Academy of Inspection and Quarantine (CAIQ) , No. A3, Gaobeidian Road, Chaoyang District , Beijing 100123 , China
| | - Zhenxian Zhou
- Nanjing Second Hospital , No. 121, Jiangjiayuan, Gulou District , Nanjing , Jiangsu , China
| | - Songqin Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, Jiangsu Engineering Laboratory of Smart Carbon-Rich Materials and Device, School of Chemistry and Chemical Engineering , Southeast University , Nanjing , 211189 , China
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